Ladislaus (in Polish,
Wladyslaw)
III (
October 31,
1424 -
November 10,
1444), son of king
Ladislaus II of
Poland, was the second
Jagiellonian king of
Poland, reigning from 1434 until his death. He also reigned as king of
Hungary from 1440 under the name
Ulászló I. He died fighting the
Ottoman Turkish army at
Varna, now in eastern
Bulgaria. He was succeeded in Poland by his younger brother
Casimir.